Silver Book Fact
Older American population growth since 1900
Since 1900, the percentage of Americans age 65+ has more than tripled (from 4.1% in 1900 to 12.9% in 2009) and the number has increased almost thirteen times (from 3.1 million to 39.6 million).
Administration on Aging. A Profile of Older Americans: 2010. Washington, DC: US Department of Health and Human Services; 2011. https://www.acl.gov/sites/default/files/Aging%20and%20Disability%20in%20America/2010profile.pdf